trista_cheong

Originally posted by playbr2 at 2006-10-18 06:35 PM:
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8 q" U7 i6 x' I% ~" t# v咪就係話你醒過頭,所以吾會明其他人吾明D咩囉

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0 u# _  T& F! Z$ O& O................................

guswan

Originally posted by trista_cheong at 2006-10-18 16:10:
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! Y) D& Y" E9 d2 \# }( A李天命d 書聽聞非常正

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3 |; y, p" |: Y# F  X/ r6 U睇晒李天命都只得7分..............

pigcat

9分ja~~

trista_cheong

Originally posted by guswan at 2006-10-18 10:26 PM:7 V- p5 g1 G2 s5 |2 W8 i

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睇晒李天命都只得7分..............

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1 s: p! P& k, }/ z2 y+ z  k7 分好多ga la wor 你仲想點?

Chingy

0-13分者为优秀（上限10％）；14－19分者为良好（20％）；20－25分者为中等（30％）；26－48分者为不佳（下限40％）。你的分数是13分，属于优秀。/ c/ T' b( z) _3 b' `

0 i1 y) j5 y# l5 U2 O, B" ]first time do it...not a bad grade
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- w% D8 H: q; r2 L$ \0 B[ Last edited by Chingy on 2006-10-19 at 07:31 PM ]

clkgtr

Modus ponendo ponens# f7 H6 T1 ^# I# c& I" D
P --> Q, 因為 P  所以 Q  E: d: q/ N- z8 _5 F& d

- d# c6 G9 N, g+ ~  ^: ^& dModus tollendo tollens
4 l4 W; ~' c1 _  `$ c& [P --> Q, 取得 ~P  所以 ~Q
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Disjunctive syllogism
9 o6 O& J! ?, M* h; FP or Q, 取得 ~P  所以 Q( M2 O  F. d, e+ T. E  @; g. h
P or Q, 取得 ~Q  所以 P1 @" h& Q8 |# P" H

2 h: Y) g0 Y) G* OConjunctive syllogism( A. E+ a. l0 T
~(P & Q), 取得 P  所以 ~Q
! {7 R, C' }5 Q$ k5 c~(P & Q), 取得 Q  所以 ~P
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Hypothetical syllogism
8 r" T0 F( U! M& D( h, I1 c8 ^P --> Q, 取得 Q --> R  所以 P --> R
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De Morgan's theorem; G! g. t& V! D0 ]
~(P & Q)  所以 ~P or ~Q1 m9 h: z$ ~8 x' {- i3 x
~(P or Q)  所以 ~P & ~Q